377641091 has 2 divisors, whose sum is σ = 377641092. Its totient is φ = 377641090.

The previous prime is 377641081. The next prime is 377641097. The reversal of 377641091 is 190146773.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 377641091 - 2¹⁴ = 377624707 is a prime.

It is a super-2 number, since 2×377641091² = 285225587223340562, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (377641097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188820545 + 188820546.

It is an arithmetic number, because the mean of its divisors is an integer number (188820546).

Almost surely, 2^377641091 is an apocalyptic number.

377641091 is a deficient number, since it is larger than the sum of its proper divisors (1).

377641091 is an equidigital number, since it uses as much as digits as its factorization.

377641091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 377641091 is about 19432.9897596844. The cubic root of 377641091 is about 722.8137650536.

The spelling of 377641091 in words is "three hundred seventy-seven million, six hundred forty-one thousand, ninety-one".